TECHNICAL DATA
IN5851
PULSE DIALER WITH REDIAL
The IN5851 is a monolithic CMOS integrated circuit which uses an
inexpensive RC oscillator for its frequency reference and provides all the
features required for implementing a pulse dialer with 32 digit redial.
•
Wide operating voltage range (2.0~6.0V)
•
Low power dissipation
•
Use either a standard 2 of 7 matrix keyboard with negative true
common or the inexpensive form A-type keyboard
•
Make/Break ratio can be selected
•
Redial with * or #
•
Continuous MUTE
•
Power up clear circuitry on chip
•
10 pps/20 pps can be selected
ORDERING INFORMATION
IN5851N Plastic
T
A
= -20° to 70° C
LOGIC DIAGRAM
PIN ASSIGNMENT
PIN 1 = V
CC
PIN 6 = GND
1
INTEGRAL [ INTEGRAL CORP. ]
